linux-kernel - [PATCH 5.12 637/677] ARM: dts: uniphier: Change phy-mode to RGMII-ID to enable delay pins for RTL8211E

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Message-Id: <20210512144858.523818971@linuxfoundation.org>
Date:   Wed, 12 May 2021 16:51:23 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 637/677] ARM: dts: uniphier: Change phy-mode to RGMII-ID to enable delay pins for RTL8211E

From: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>

[ Upstream commit 9ba585cc5b56ea14a453ba6be9bdb984ed33471a ]

UniPhier PXs2 boards have RTL8211E ethernet phy, and the phy have the RX/TX
delays of RGMII interface using pull-ups on the RXDLY and TXDLY pins.

After the commit bbc4d71d6354 ("net: phy: realtek: fix rtl8211e rx/tx
delay config"), the delays are working correctly, however, "rgmii" means
no delay and the phy doesn't work. So need to set the phy-mode to
"rgmii-id" to show that RX/TX delays are enabled.

Fixes: e3cc931921d2 ("ARM: dts: uniphier: add AVE ethernet node")
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/uniphier-pxs2.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/uniphier-pxs2.dtsi b/arch/arm/boot/dts/uniphier-pxs2.dtsi
index b0b15c97306b..e81e5937a60a 100644
--- a/arch/arm/boot/dts/uniphier-pxs2.dtsi
+++ b/arch/arm/boot/dts/uniphier-pxs2.dtsi
@@ -583,7 +583,7 @@
 			clocks = <&sys_clk 6>;
 			reset-names = "ether";
 			resets = <&sys_rst 6>;
-			phy-mode = "rgmii";
+			phy-mode = "rgmii-id";
 			local-mac-address = [00 00 00 00 00 00];
 			socionext,syscon-phy-mode = <&soc_glue 0>;
 
-- 
2.30.2